Home / 783,124,312,597.95-1,080,711,603,354.50-435,887,139,615.42

Finding the Fourth Proportional to 783,124,312,597.95, 1,080,711,603,354.50 and 435,887,139,615.42

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Solution

The fourth proportional to 783,124,312,597.95, 1,080,711,603,354.50 and 435,887,139,615.42 is: 601,524,281,595.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,124,312,597.95 : 1,080,711,603,354.50 = 435,887,139,615.42 : x
  2. Step 2: Convert to fraction form
    783,124,312,597.95/1,080,711,603,354.50 = 435,887,139,615.42/x
  3. Step 3: Cross multiply
    783,124,312,597.95x = 1,080,711,603,354.50 × 435,887,139,615.42
  4. Step 4: Simplify right side
    783,124,312,597.95x = 471,068,289,535,387,352,694,784
  5. Step 5: Solve for x
    x = 471,068,289,535,387,352,694,784/783,124,312,597.95
  6. Step 6: Final answer
    x = 601,524,281,595.42

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.